killtest E20-001 最新题库（朋友刚过了）

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最新E20-001拿出来和朋友分享一下  
1. Data is being replicated from site A to site B using disk buffering to create extended distance consistent
point in time copies every hour. In the event of a site failure at A, what is the maximum amount of data that
+ O0 `4 K* A0 s. mwill be missing at site B?
4 M0 |$ u7 [9 H3 k) J6 nA. 1 hour
2 W; `2 q9 r5 i/ l: p& X- T/ nB. 2 hours
$ U9 W% ?  d, bC. 3 hours
D. 4 hours
- r8 ~' o: d1 V! E) pAnswer: B
2. What is a remote replication solution for EMC CLARiiON storage systems?
6 q* E9 W8 c( F( m5 W1 VA. MirrorView/A
B. SnapView
) M8 Q( _- ?+ |* fC. SRDF/AR
D. TimeFinder
Answer: A
1 b7 e4 G) t, r" l% w5 S3. Which represents a common implementation of a storage network with limited scalability?
A. CSMA/CD
2 l3 e. u' D6 OB. Fibre Channel Arbitrated Loop
C. Store and Forward
D. Switched Fabric
1 h# t" h5 Z6 v/ R( _. ^Answer: B
1 w5 a. X2 ?# m0 J4. Click on the Exhibit button. Identify the E Port and Edge switch in the SAN Core/Edge exhibit.
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" j5 N. y9 M9 u2 i- H8 sA. 1 and 6
B. 4 and 5
7 p4 c7 l+ z5 p& CC. 7 and 5
- Y' v% e5 Y, XD. 6 and 3
Answer: A
  W( w0 _: e( K1 l! ~) T0 Y5. What is the process that writes physical address information to a disk?
2 }9 Q- h2 _" J- QA. Concatenating
B. Formatting
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( y7 R$ g& [( X; P! IC. Partitioning
D. Striping
Answer: B
. n  X* Q. s8 W8 ^& a6. The Recovery Point Objective (RPO) of a company is 4 hours. Which statement is true in the event of a
; T( F9 |' y  L. c! ]9 Ldisaster?
A. Must be able to restart their network within 4 hours
B. Must be able to restart their servers within 4 hours
5 Y0 F) h. C' O# dC. Must be able to resume production within 4 hours
. P/ l0 e9 U) O0 `& fD. No more than 4 hours of production data can be lost
8 f) U5 p4 J, C! z0 bAnswer: D
& r0 ^1 q* R1 ]! o9 I9 f% f) }$ _7. Which technology is designed for storage of fixed content data?
4 ?+ E* p+ {* \A. CAS
) U5 p. q% k7 p, ^* BB. DAS
C. NAS
& q$ @: t2 f7 i1 ^" ?4 _! bD. SAN
Answer: A
# o6 i) E  T- d6 D4 {+ g. J8. In SAN, if the primary concern is cabling flexibility, what method of zoning should be employed?
* G' @/ }1 i# a6 ZA. Hard Zoning
0 p/ M( i% R1 Q/ z% C9 p2 \B. Mixed Zoning
C. Port Zoning
# D6 Q/ J9 y% E# s: Z+ s! u+ ?: w3 BD. WWN Zoning
8 N. n4 d3 @# i# OAnswer: D
4 Z( s) y# X$ H7 \: A; q& t$ P9. A disk has Cylinder Head Sector (CHS) values of 1000, 4 and 25. What address range will be used for
the Logical Block Address (LBA) values for this disk?
A. 0 49,999
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3 c; |3 |5 w# G. H. PB. 0 99,999
C. 1 50,000
D. 1 100,000
Answer: B
8 U, U7 p" w( h) e% T' O10. Which key requirement of the Data Center infrastructure addresses the concern of data on storage
systems being accessible 24X7?
! I0 V/ {3 d% @2 b# J% H. bA. Availability
B. Manageability
C. Performance
/ H% h: _5 n( _& P0 S( k* ]D. Scalability
Answer: A
( x9 Q" p# `' F- g# h$ O# m, u11. What is the protocol used by a Windows client to communicate with a NAS device?
A. CIFS
& `! n4 N4 ]. b) {% `% {8 FB. FCP
C. NFS
D. SCSI
Answer: A
12. What are two parts of cache?
A. Bitmap store and dirty store
4 g5 u! T5 e. X/ Q8 s; WB. Data store and bitmap store
; m; D# T0 z8 n$ Y/ B$ ?C. Data store and tag RAM
D. Tag RAM and dirty store
  x; Y3 h9 a/ aAnswer: C
13. Which Data Center element stores customer and product information when the server is connected to
3 f* }5 k4 @6 B: v; l1 c# ban array?
A. Application
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& b3 o- \  g: e/ X- KB. Database
' a' F# {' }9 @9 ]: R% `( BC. Server
6 N1 Z$ a1 ~+ ^# q+ q. I1 G/ E- TD. Storage Array
Answer: B
, d% y8 e5 |; E2 B4 S14. What do you monitor as part of server performance?
A. Filesystem utilization
B. HBA status
9 r7 i( y- [' b$ \1 z  _6 sC. Memory utilization
1 N# H" ~8 i! }2 bD. Power supply status
Answer: C
) V1 {* ^8 K: p15. What is the name of the drive subassembly containing the platters and R/W heads?
) l, [- S, a1 T1 z1 PA. ATA
7 C; {9 @, }# |6 r1 G- R7 vB. HBA
/ S/ \4 }  T6 D- v# A" kC. HDA
4 R5 H, g6 p( X+ ?# hD. IDE
4 C  l  [/ @8 A; s& WAnswer: C
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